DDCV-WB25铸铁止回阀

DDCV-WB25铸铁止回阀.jpg

DUAL DOOR CHECK VALVE
双门止回阀
SPECIFICATION规格
FOR BS 4504 PN25 FLANGE MOUNTING
FACE-TO-FACE DIMENSION TO ISO 5752-82
法兰规格符合BS 4504 PN25
阀门长度符合ISO 5752-82
PRESSURE / TEMPERATURE RATINGS 压力/温度等级

Working Pressure 工作压力

25 bar

Testing Pressure 测试压力

Shell(阀体) : 37.5 bar
Seat(阀座) : 27.5 bar

Working Temperature 工作温度

-10 ?C to 120 ?C (EPDM Seat)
-10 ?C to 80 ?C (NBR Seat)

Suitable Media 介质

Water, Oil & Gas 水/油/气体


MATERIALS 材质表

Part 部件

Material 材质

BS 英标

Body 阀体

Ductile Iron 球墨铸铁

A536 65-45-12

Disc 阀板

Ductile Iron 球墨铸铁
Aluminum Bronze 铝青铜
Stainless Steel 304 不锈钢304
Stainless Steel 316 不锈钢316

A536 65-45-12
B584 C95400
A351 CF8
A351 CF8M

Spring 弹簧

Stainless Steel 316 不锈钢316

S31600

Shaft 阀杆

Stainless Steel 316 不锈钢316

S31600

Seat 阀座

EPDM 乙丙橡胶
NBR 丁腈橡胶



DIMENSIONS口径尺寸

Size
[mm]

A
[mm]

B
[mm]

C
[mm]

D
[mm]

50

43

106

29

19

65

46

126

36

20

80

64

141

42

28

100

64

164

53

27

125

70

192

64

30

150

76

220

77

31

200

89

280

102

33

250

114

335

127

50

300

114

394

149

43

*B = Outside diameter for PN25 fange mounting.
*B = 外径为PN25法兰安装。
Note:
1. Other fange standards available upon request.
2. If used for gas application, please consult our sales ofce.
3. Design and specifcations are subject to change without prior notice.
备注 :
1. 可提供其他法兰连接标准的产品。
2. 如应用于气体,请联系我司确认。
3. 设计和规格如有修改,恕不另行事先通知。